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Finding the Third Proportional to 1,155,822.75 and 1,840,765.50

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Solution

The third proportional to 1,155,822.75 and 1,840,765.50 is: 2,931,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,822.75 : 1,840,765.50 = 1,840,765.50 : x
  2. Step 2: Convert to fraction form
    1,155,822.75/1,840,765.50 = 1,840,765.50/x
  3. Step 3: Cross multiply
    1,155,822.75x = 1,840,765.50 × 1,840,765.50
  4. Step 4: Simplify right side
    1,155,822.75x = 3,388,417,625,990.25
  5. Step 5: Solve for x
    x = 3,388,417,625,990.25/1,155,822.75
  6. Step 6: Final answer
    x = 2,931,606.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.